Compaq CQ50-139WM HP G50 Notebook PC and Compaq Presario CQ50 Notebook PC - Ma - Page 78

Audio board

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Audio board Description Audio board (includes cable) Spare part number 486634-001 Before removing the audio board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 40). 5. Remove the following components: a. Hard drive (see Hard drive on page 43) b. Optical drive (see Optical drive on page 41) c. Keyboard (see Keyboard on page 52) d. Keyboard cover (see Keyboard cover on page 54) e. Display assembly (see Display assembly on page 57) f. Top cover (see Top cover on page 64) Remove the audio board: 1. Release the ZIF connector (1) to which the audio board cable is attached, and disconnect the audio board cable (2) the system board. 2. Remove the two Phillips PM2.0×6.0 screws (3) that secure the audio board to the base enclosure. 3. Remove the audio board (4). 70 Chapter 4 Removal and replacement procedures

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Audio board
Description
Spare part number
Audio board (includes cable)
486634-001
Before removing the audio board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
40
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
43
)
b.
Optical drive (see
Optical drive
on page
41
)
c.
Keyboard (see
Keyboard
on page
52
)
d.
Keyboard cover (see
Keyboard cover
on page
54
)
e.
Display assembly (see
Display assembly
on page
57
)
f.
Top cover (see
Top cover
on page
64
)
Remove the audio board:
1.
Release the ZIF connector
(1)
to which the audio board cable is attached, and disconnect the audio
board cable
(2)
the system board.
2.
Remove the two Phillips PM2.0×6.0 screws
(3)
that secure the audio board to the base enclosure.
3.
Remove the audio board
(4)
.
70
Chapter 4
Removal and replacement procedures